大约有 31,840 项符合查询结果(耗时:0.0434秒) [XML]

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Is recursion a feature in and of itself?

...eature" he hadn't taught yet, that was wrong. Reading between the lines, one possibility is that by using recursion, you avoided ever using a feature that was supposed to be a learning outcome for his course. For example, maybe you didn't use iteration at all, or maybe you only used for loops inst...
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Creating a DateTime in a specific Time Zone in c#

I'm trying to create a unit test to test the case for when the timezone changes on a machine because it has been incorrectly set and then corrected. ...
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How can I expand and collapse a using javascript?

...e .content stuff when the page loads. .container .content { display: none; padding : 5px; } Then, using jQuery, write a click event for the header. $(".header").click(function () { $header = $(this); //getting the next element $content = $header.next(); //open up the con...
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Difference between “on-heap” and “off-heap”

...lt on top of bloaty frameworks ;-) ) easily require heaps far beyond 4Gb. One solution to these memory requirements, is to 'offload' parts of the objects to the non-java heap (directly allocated from the OS). Fortunately java.nio provides classes to directly allocate/read and write 'unmanaged' chun...
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Why is XOR the default way to combine hashes?

...some "noise" if the incoming hashed values are poor (ie, imagine every component hashes to 0 -- the above handles it well, generating a smear of 1 and 0s after each combine. My naive 3*hash(a)+hash(b) simply outputs a 0 in that case). (For those not familiar with C/C++, a size_t is an unsigned int...
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What is output buffering?

What is output buffering and why is one using it in PHP? 7 Answers 7 ...
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Insert Update stored proc on SQL Server

...UPSERT - from sqlservercentral.com: For every update in the case mentioned above we are removing one additional read from the table if we use the UPSERT instead of EXISTS. Unfortunately for an Insert, both the UPSERT and IF EXISTS methods use the same number of reads on the table. T...
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What does void mean in C, C++, and C#?

... and why it is called void. The intention of the question is to assist someone who has no C experience, and is suddenly looking at a C-based codebase. ...
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How do I build a graphical user interface in C++? [closed]

...tation for those API functions that call down to the native OS API calls. One thing they'll all have in common, which will be different from a CLI program, is something called an event loop. The basic idea there is somewhat complicated, and difficult to compress, but in essence it means that not a ...
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What optimizations can GHC be expected to perform reliably?

...unSparks_closure' '-u' 'base_GHCziConcziSignal_runHandlers_closure' link: done *** Deleting temp files: Deleting: /tmp/ghc4784_0/ghc4784_1.o /tmp/ghc4784_0/ghc4784_0.s /tmp/ghc4784_0/ghc4784_0.o /tmp/ghc4784_0/ghc4784_0.c *** Deleting temp dirs: Deleting: /tmp/ghc4784_0 Looking from the first *** ...